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Finding the Fourth Proportional to 162,103.32, 243,154.26 and 43,786.80

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Solution

The fourth proportional to 162,103.32, 243,154.26 and 43,786.80 is: 65,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,103.32 : 243,154.26 = 43,786.80 : x
  2. Step 2: Convert to fraction form
    162,103.32/243,154.26 = 43,786.80/x
  3. Step 3: Cross multiply
    162,103.32x = 243,154.26 × 43,786.80
  4. Step 4: Simplify right side
    162,103.32x = 10,646,946,951.77
  5. Step 5: Solve for x
    x = 10,646,946,951.77/162,103.32
  6. Step 6: Final answer
    x = 65,680.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.